Stem cell treatment helped treat erectile dysfunction in some -- but not all -- prostate cancer surgery patients, a new study says.

It included 21 men who became impotent after surgery to remove their cancerous prostate. They received stem cell injections meant to restore damaged nerves. After a single stem cell injection, eight of the men regained sexual function and kept it for a year, NBC News reported.

The study was presented at a European Association of Urology meeting.

"What we have done establishes that this technique can lead to men recovering a spontaneous erection -- in other words, without the use of other medicines, injections, or implants," Dr. Martha Haahr of Odense University Hospital in Denmark, said.

The researchers plan to conduct a larger study.

"If it works in these men (who've had their prostate removed), it would also work in men with have been treated using chemotherapy and radiation," and may also help men with erectile dysfunction caused by aging, heart disease or diabetes, according to Haahr, NBC News reported.

"If it's as effective as we think, it could help many kinds of men," she said.

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Beef Taquito Products Recalled

More than 35,000 pounds of "Jose Ole Taquitos Beef Carne De Res in Corn Tortillas Crispy and Crunchy" have been recalled due to possible contamination with rubber and plastic.

The frozen ready-to-eat products were produced by Texas-based Ajinomoto Windsor, Inc. on Dec. 30, 2016 with case codes 3366365A, 3366365B, 3366365C, 3366365D and a Best By date of December 30, 2017, according to the U.S. Department of Agricultures Food Safety and Inspection Service.

The products, which have the establishment number "Est. M-5590" inside the USDA mark of inspection, were shipped to retail locations in California, Florida, Illinois, Missouri, New York, Ohio, Pennsylvania, Texas, and Wyoming.

Ajinomoto Windsor, Inc. received two consumer complaints of foreign material in the products on March 14, 2017 and March 21, 2017. The foreign materials were pieces of rubber with white plastic and came from processing equipment.

There have been no confirmed reports of injury or illness caused by the recalled products, according to FSIS. Consumers with the products should throw them away or return them to the place of purchase.

For more information, call 909-477-4800.

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Trump to Roll Back Obama Climate Plan

An executive order to undo the Obama administration's plan to combat climate change will be signed Tuesday by President Donald Trump, according to the head of the Environmental Protection Agency.

Scott Pruitt said the order will dismantle the 2015 Clean Power Plan, which limits greenhouse gas emissions from coal-fired power plants. The rule has been in limbo due to a legal challenge by some states and more than 100 companies, the Associated Press reported.

By scrapping the plan, the Trump administration hopes to bring back coal-mining jobs and lower the cost of electricity, Pruitt said on ABC's "This Week."

Supporters of Obama's plan argue it would encourage thousands of clean energy jobs and help the U.S. achieve carbon pollution reduction targets set by the Paris climate accord, the AP reported.